US Bridges

Il 64 FAP 17 over Stream

Good

DeKalb County, Illinois · 2.5 MI W Sycamore · Structure no. 019202000000000

Built
2004
21 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
45 ft
3 main spans
Daily traffic
4,500
2023 count
Owner
State
State Highway Agency

About this bridge

Il 64 FAP 17 over Stream is a concrete culvert carrying Il 64 FAP 17 over Stream in DeKalb County, Illinois. It was built in 2004, so it is 21 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,500 vehicles a day, roughly 12% of them trucks, projected to reach 4,312 by 2046. The structure is 45 ft (13.8 m) long and 36 ft wide.

Location

Open in Google Maps
CarriesIl 64 FAP 17
CrossesStream
Location2.5 MI W Sycamore
RouteState Highway 64
CountyDeKalb County
StateIllinois
Coordinates42.00038, -88.74739
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.6 US tons
Inventory rating47.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length45 ft (13.8 m)
Longest span14 ft (4.2 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (2023)
Projected traffic4,312 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Il 64 FAP 17 over Stream built?

It was built in 2004, making it 21 years old in 2025.

What condition is Il 64 FAP 17 over Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does Il 64 FAP 17 over Stream carry?

About 4,500 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Il 64 FAP 17 over Stream?

The structure is 45 ft (13.8 m) long with a longest span of 14 ft (4.2 m) and a deck 36 ft wide.

Who owns Il 64 FAP 17 over Stream?

It is owned by the State Highway Agency.